1220322111303 has 8 divisors (see below), whose sum is σ = 1629499542768. Its totient is φ = 812346377024.

The previous prime is 1220322111301. The next prime is 1220322111347. The reversal of 1220322111303 is 3031112230221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220322111303 - 2¹ = 1220322111301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220322111303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220322111301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300421926 + ... + 300425987.

It is an arithmetic number, because the mean of its divisors is an integer number (203687442846).

Almost surely, 2^{1220322111303} is an apocalyptic number.

1220322111303 is a deficient number, since it is larger than the sum of its proper divisors (409177431465).

1220322111303 is an equidigital number, since it uses as much as digits as its factorization.

1220322111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600848593.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220322111303 its reverse (3031112230221), we get a palindrome (4251434341524).

The spelling of 1220322111303 in words is "one trillion, two hundred twenty billion, three hundred twenty-two million, one hundred eleven thousand, three hundred three".